Home / 30,568.57-45,857.14-28,887.82

Finding the Fourth Proportional to 30,568.57, 45,857.14 and 28,887.82

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Solution

The fourth proportional to 30,568.57, 45,857.14 and 28,887.82 is: 43,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.57 : 45,857.14 = 28,887.82 : x
  2. Step 2: Convert to fraction form
    30,568.57/45,857.14 = 28,887.82/x
  3. Step 3: Cross multiply
    30,568.57x = 45,857.14 × 28,887.82
  4. Step 4: Simplify right side
    30,568.57x = 1,324,712,619.17
  5. Step 5: Solve for x
    x = 1,324,712,619.17/30,568.57
  6. Step 6: Final answer
    x = 43,335.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.